package com.xci;

import org.springframework.util.DigestUtils;

public class Console {
    public static void main(String[] args) {
        Long currntTime = System.currentTimeMillis();
        String signStr = "A0016" + "12345678" + currntTime.toString().substring(0, 6);
        String systemSign = DigestUtils.md5DigestAsHex(signStr.getBytes()).toUpperCase();
        System.out.println(systemSign);
    }
}
